Download the latest spec from http://labs.adobe.com/downloads/cinemadng.html
Major changes include:
revised MXF structure and key values to match SMPTE ST 2055;
removed irrelevant TIFF tags from Annex;
demoted file structure to Annex.
Added details on time code.
Added Reel Name and Camera Label tags.
Added notation on recommended metadata tags.
Added Annexes on initiative, format evolution, application notes.
Minor corrections to all sections.
Removed unused normative references.
North America
Europe, Middle East and Africa
Asia Pacific